372122-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 372122-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,2,1,2 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 372122-71:
(8*3)+(7*7)+(6*2)+(5*1)+(4*2)+(3*2)+(2*7)+(1*1)=119
119 % 10 = 9
So 372122-71-9 is a valid CAS Registry Number.